<template>
    <div>
        <el-breadcrumb>
            <el-breadcrumb-item :to="{path:'/home'}">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        <el-breadcrumb>

        
        <el-row :gutter="20">
            <el-col :span="7">
                <el-card>
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-card>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col>
        </el-row>

        <el-table :data='userList' border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态">
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作" width="180px">
                <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                    <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                        <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
                    </el-tooltip>
                </template>
            </el-table-column>
        </el-table>

        <el-pagination @size-change="handleSizeChange">

        </el-pagination>

        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
            <!-- -->
            
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                <el-form-item prop="username" label="用户名">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item prop="password" label="密码">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item prop="email" label="邮箱">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item prop="mobile" label="手机">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取消</el-button>
                <el-button type="primary" @click="addUser">确定</el-button>
            </span>
        </el-dialog>

        <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <!-- -->
            
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item prop="email" label="邮箱">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item prop="mobile" label="手机">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取消</el-button>
                <el-button type="primary" @click="editUserInfo">确定</el-button>
            </span>
        </el-dialog>

        <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
            
            <div>
                <p>当前用户:{{userInfo.username}}</p>
                <p>当前角色:{{userInfo.role_name}}</p>
                <p>分配新角色:
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option v-for="item in rolesList" :key="item.id">

                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRightDialogVisible = false">取消</el-button>
                <el-button type="primary" @click="saveRoleInfo()">确定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data(){
        var checkEmail = (rule,value,cb) =>{
            const regEmail = '';
            if(regEmail.test(value)){
                return cb()
            }
            cb(new Error('请输入正确的邮箱'))

        }

        var checkMobile = () =>{
            const regMobile = ''
            if(regMobile.test(value)){
                return cb()
            }
            cb(new Error('请输入正确的手机号'))
        }

        return {
            //获取用户列表的参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:2
            },
            userList:[],
            total:0,
            addDialogVisible:false,
            //控制修改对话框的显示
            editDialogVisible:false,
            //添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                mobile:'',
                email:''
            },
            editForm:{
                username:'',
                mobile:'',
                email:''
            },
            editFormRules:{
                email:[
                    {required:true,message:'请输入邮箱',tigger:'blur'},
                    {validator:checkEmail,tigger:'blur'}
                ],
                mobile:[
                    {required:true,message:'请输入手机号',tigger:'blur'},
                    {validator:checkMobile,tigger:'blur'}
                ],
            },
            addFormRules:{
                username:[
                    {required:true,message:'请输入用户名'}
                ],
                password:[
                    {required:true,message:'请输入密码'},
                    {
                        min:3,
                        max:15,
                        message:'密码长度在6-15个字符之间',
                        tigger:'blur'
                    }
                ],
                email:[
                    {required:true,message:'请输入邮箱',tigger:'blue'},
                ],
                mobile:[
                    {required:true,message:'请输入手机号',tigger:'blue'},
                ],
            },
            selectedRoleId:''
        }
    },
    created(){
        this.getUserList();
    },
    methods:{
        async getUserList(){
            const {data:res}  = this.$http.get('users',{params:this.queryInfo})
            if(res.meta.status != '200') return this.$message.error(res.meta.msg);
            this.userList = res.data.users;
            this.total = res.data.total;
            console.log(res);
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize;
            this.getUserList();
            console.log(newSize)
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage;
            this.getUserList();
            console.log(newPage)
        },
        //监听
        async userStateChanged(userInfo){
            const {data:res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
            
            if(res.meta.status != 200) {
                userInfo.mg_state = !userInfo.mg_state
                return this.$message.error('更新用户状态失败！')
            }
        },
        addDialogClosed(){
            this.$refs.addFormRef.resetFields();
        },
        //添加新用户
        async addUser(){
            this.$refs.addFormRef.validate(valid=>{
                if(!valid)return;
                const {data:res} = this.$http.post('users',this.addForm)
                if(res.meta.status != '201') this.$message.error('添加用户成功!')

                this.$message.success('添加用户成功')
                this.addDialogVisible = false;
                //重新获取用户列表
                this.getUserList();
            })
        },
        //修改用户
        async showEditDialog(id){
            const {data:res} = await this.$http.get(`users/${id}`);
            if(res.meta.status != '200') return this.$message.error('获取用户数据失败')
            this.editForm = res.data;
            this.editDialogVisible = true;
        },

        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid=>{
                if(!valid)return;
                const {data:res} = await this.$http.put(`users/${this.editForm.id}`,{
                    email:this.editForm.email,mobile:this.editForm.mobile
                });

                if(res.meta.status != '200') return this.$message.error('修改用户信息失败')

                this.editDialogVisible = false;
                this.getUserList();
                this.$message.success('更新用户信息成功')
            })
        },
        async removeUserById(id){
            const confirmResult = await this.$comfirm('此操作将永久删除用户，是否继续?','提示',{
                confirmButtonText:'确定',
                cancelButtonText:'取消',
                type:'warning'
            }).catch(err=> err)
            if(confirmResult != 'confirm') return this.$message.info('已取消删除！');
            const {data:res} = await this.$http.delete(`users/${id}`);
            if(res.meta.status != '200') return this.$message.error('用户删除失败')

            this.$message.success('删除用户信息成功')
            this.getUserList()
        },
        async setRole(userInfo){
            this.userInfo = userInfo;

            const {data:res} = await this.$http.get('roles');
            if(res.meta.code != '200'){
                return this.$message.error('获取角色数据失败')
            }

        },
        async saveRoleInfo(){
            if(!this.selectedRoleId){
                return this.$message.error('没有选择要分配的角色')
            }
            const {data:res} = this.$http.put(`users/${this.userInfo.id}/role`,{
                rid:this.selectedRoleId
            })
            if(res.meta.code != '200'){
                return this.$message.error('更新角色失败')
            }
            this.getUserList();
        },
        setRoleDialogClosed(){
            this.userInfo = {};
            this.selectedRoleId = ''
        }
    }
}
</script>

<style lang="less" scoped>

</style>